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Home > Be Healthy > Health Library > Fatigue
Fatigue is a feeling of tiredness or exhaustion or a need to rest because of lack of energy or strength.
Fatigue may result from overwork, poor sleep, worry, boredom, or lack of exercise. It is a symptom that may be caused by illness, medicine, or medical treatment such as chemotherapy. Anxiety or depression can also cause fatigue.
Current as of: November 20, 2019
Author: Healthwise Staff
Medical Review:Adam Husney, MD - Family Medicine & William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Martin J. Gabica, MD - Family Medicine
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